SMC (6540090) 815 Series Brass Check Valve ; 1/2" FNPT x 1/2" FNPT BUNA Nitrate Removal1999 Replace cartridges according to manufacturer

Replace cartridges according to manufacturer recommendations or when pressure drop indicates loading

essential for environmental testing

and 2900 control valves

✓ Effective across entire pH range ✓ EPA compliant <10 ppb ✓ 2

providing peace of mind for residential and commercial installations

SMC (6540090) 815 Series Brass Check Valve ; 1/2" FNPT x 1/2" FNPT BUNA Nitrate Removal1999 Replace cartridges according to manufacturerSMC 6540090 815 Series Brass Check Valve with BUNA Seal 1 2" FNPT threaded brass check valve prevents backflow in residential and commercial water filtration systems Brass Construction BUNA Seals 1 2" FNPT Ports 815 Series The SMC 815 Series brass check valve uses a BUNA elastomer seal to maintain one way flow in pressurized water lines. Threaded 1 2" female NPT ports on both inlet and outlet make installation straightforward in reverse osmosis